Question about IBM ThinkPad T22 2647 Notebook

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Ibm thinkpad t22 2647

Also cannot power on, only flashing once

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Four things that could cause this. 1- power supply, check it for the proper output with an ohm meter, 2- bad battery, try starting with the supply only, 3- bad memory chip or slot, remove the memory, and try each chip one at a time in each slot, 4- failed power management system on the motherboard. Unfortunately, a failed power management system or chip is common with these, and the motherboard will have to be replaced in order to fix it.

Posted on Aug 20, 2008

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Hello my laptop t41 power is not even flash but the adapter is working,am technician and i have troubleshoot allot.


I concur with what Diegotech stated.

To iterate further;

1) The DC Power Jack (DC IN), may have cracked solder joint/s on the motherboard connector, (Female), where the DC Power Jack plugs in.

Resolder

2) The DC Power Jack may be broken.
Center Pin mount, and/or body of DC Power Jack, and/or Outer Shell mount.

Replace DC Power Jack.

3) Wires from the DC Power jack plug to the female connector on the motherboard, may be bad.

Replace DC Power Jack.

Two examples, of a place to buy an IBM ThinkPad T41 DC Power Jack,

1) http://www.buy.com/prod/dc-power-jack-connector-socket-for-ibm-thinkpad-t40-t41-t42-r50-r51-r52/q/sellerid/23962916/loc/101/215782035.html

2) http://www.machinaelectronics.com/store/buypart/IBM_Thinkpad_T41/DC-P001

Past this point it's a bad DC sensor on the motherboard.

Replace motherboard.

IBM ThinkPad T41 Service Manual, (Free),

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-ibmlenovo

On this page go down to the 8th line.
The one that starts with > ThinkPad T20.

Go across, and click on > T41

Takes approximately 2 seconds to see the first page, and additional time to fully download.

Page 142 for 14.1 inch LCD screen
Page 151 for 15 inch LCD screen

(PDF file page number box at top)

Dec 01, 2010 | IBM ThinkPad T41 Notebook

1 Answer

My ibm thinkpad a21m will not turn on and a green light just flashes on it


The green light flashing is actually a diagnostic code, IBM should have what the flashes mean on their web site.

I once worked on the the exact same model and the green light was flashing. The owner bought a new Motherboard off of ebay and I installed it and the computer then worked fine.

I am not saying that it is the motherboard, it could be an issue with battery or the AC adapter as well.

Try removing the battery and powering on the computer while it is plugged in. If possible try a different AC adapter.

The Lenovo web site is where you can find support for your system but I was not able to find any documentation regarding diagnostic codes.

Apr 14, 2010 | IBM ThinkPad T21 Notebook

1 Answer

Flashing Power Lights


connect a different monitor and make sure power is getting to it (ripped cords, unplugged)

Mar 19, 2009 | IBM ThinkPad T40 2373 Notebook

1 Answer

IBM Thinkpad T30


Try starting without the battery, and cheking the memory chips.

Jul 04, 2008 | IBM ThinkPad T30 2366 Notebook

1 Answer

IBM won't turn on


remove the battery, plug into the wall with power pack, and then try it again..

May 05, 2008 | IBM ThinkPad T30 2366 Notebook

1 Answer

Will not boot


Have you tried to power on with the ac power connected.

Jan 02, 2008 | IBM ThinkPad T23 2647 Notebook

1 Answer

Power problem


then the battery is not holding charge try leaving power cable in and switch on

Aug 22, 2007 | IBM ThinkPad T23 Notebook

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